Series
| Series Name | Release Date | Product Count |
|---|---|---|
| Dangerous Journeys | 2022-08-01 | 8 |
| Deadly Disasters | 2021-08-01 | 7 |
| Digging Up the Past | 2019-07-01 | 7 |
| Disaster Stories | 2014-08-01 | 8 |
| Discover the Continents | 2016-01-01 | 9 |
| Discover the Oceans | 2016-01-01 | 7 |
| Dog Breeds | 2011-01-01 | 26 |
| Dog Groups | 2021-01-01 | 8 |
| Dogs to the Rescue! | 2013-08-01 | 11 |
| Earth Science Rocks! | 2014-08-01 | 6 |
| Easy Upcycled Crafts | 2022-01-01 | 7 |
| Eating Right with MyPlate | 2012-01-01 | 8 |
| Emotions | 2024-08-01 | 7 |
| Engineered by Nature | 2017-01-01 | 7 |
| Everyday Engineering | 2018-08-01 | 7 |
| Everything Sports | 2025-08-01 | 7 |
| Exploring Countries | 2016-08-01 | 84 |
| Exploring Space | 2010-01-01 | 20 |
| Exploring the States | 2013-08-01 | 53 |
| Extraordinary Explorers | 2015-08-01 | 8 |
| Extremely Weird Animals | 2014-01-01 | 9 |
| Extreme Sports | 2016-01-01 | 11 |
| Extreme Weather | 2008-08-01 | 8 |
| Farm Animals | 2007-08-01 | 22 |